Proteins And Enzymes Flashcards
What is pH
A measured of whether a solution is acid, neutral or alkali
What is an antibody
A protein that defends the body again disease
What are catalysts
Substances that speed up chemical reactions (enzymes are known as biological catalysts)
What does denatured mean
Unable to function because of a change in shape
What does structural mean
Type of proteins that from support such as muscles etc.
The shape and function of a protein depends on their….
Sequence
What does optimum mean
The temperate or pH in which an enzyme is at its most active
What is a protein
A type of molecule from which all enzymes are made
What are hormones
Proteins that act as chemical messengers
The effect of a chemical reaction on the structure of an enzyme
Unchanged
What is an active site
The part of an enzyme with that a shape complementary to its substrate
What is a substrate
A molecule an enzyme binds to
What is an enzyme
A protein molecule that is known as a biological catalyst because it speeds up chemical reactions in all living cells
An enzyme can only speed up one reaction because…
Only one substrate has a shape complementary to its active site
